Fix specs related to emtpy `except` policy config

spec/lib/gitlab/ci/config/entry/global_spec.rb

@@ -160,8 +160,7 @@ describe Gitlab::Ci::Config::Entry::Global do
                        variables: { 'VAR' => 'value' },
                        ignore: false,
                        after_script: ['make clean'],
-                       only: { refs: %w[branches tags] },
-                       except: {} },
+                       only: { refs: %w[branches tags] } },
               spinach: { name: :spinach,
                          before_script: [],
                          script: %w[spinach],
@@ -172,8 +171,7 @@ describe Gitlab::Ci::Config::Entry::Global do
                          variables: {},
                          ignore: false,
                          after_script: ['make clean'],
-                         only: { refs: %w[branches tags] },
-                         except: {} }
+                         only: { refs: %w[branches tags] } }
             )
           end
         end

spec/lib/gitlab/ci/config/entry/job_spec.rb

@@ -258,8 +258,7 @@ describe Gitlab::Ci::Config::Entry::Job do
                    stage: 'test',
                    ignore: false,
                    after_script: %w[cleanup],
-                   only: { refs: %w[branches tags] },
-                   except: {})
+                   only: { refs: %w[branches tags] })
         end
       end
     end

spec/lib/gitlab/ci/config/entry/jobs_spec.rb

@@ -67,14 +67,12 @@ describe Gitlab::Ci::Config::Entry::Jobs do
                    script: %w[rspec],
                    ignore: false,
                    stage: 'test',
-                   only: { refs: %w[branches tags] },
-                   except: {} },
+                   only: { refs: %w[branches tags] } },
           spinach: { name: :spinach,
                      script: %w[spinach],
                      ignore: false,
                      stage: 'test',
-                     only: { refs: %w[branches tags] },
-                     except: {} })
+                     only: { refs: %w[branches tags] } })
       end
     end